Maths Olympiad Prep

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, 2015

Algebra Difficulty 1.4 Junior Find the answer Canada

At Gaussville School, a total of 480 students voted for their favourite subject. The results are summarized in the pie chart shown.

How many students voted for math?

Pick one

Solution

Solution 1

At Gaussville School, 40%40\% or 40100=410\frac{40}{100}=\frac{4}{10} of the 480 total students voted for math.
Therefore, the number of students who voted for math is 410×480=4×48=192\frac{4}{10}\times480=4\times48=192.

Solution 2

At Gaussville School, 40%40\% or 0.4 of the 480 total students voted for math.
Therefore, the number of students who voted for math is 0.4×480=1920.4\times480=192.

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Source: CEMC, University of Waterloo, licensed CC-BY-NC-4.0. Statement reproduced verbatim; metadata (topic, difficulty) added by this project.